Bed



FIG. 1 is a perspective view of a first embodiment of a bed showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right-side view thereof, the left-side view being a mirror-image; and,

FIG. 5 is a perspective view of a second embodiment thereof.

The mattress shown in broken lines in the drawings is illustrative and is not part of the claimed design. 

The ornamental design for a bed, as shown and described. 